Facile and Rapid Electrochemical Conversion of Ni into Ni(OH)₂ Thin Film as the Catalyst for Direct Growth of Carbon Nanotubes on Ni Foam for Supercapacitors.

ABSTRACT: In this paper, a facile and rapid aqueous-based electrochemical technique was used for the phase conversion of Ni into Ni(OH)₂ thin film. The Ni(OH)₂ thin film was directly converted and coated onto the network surface of Ni foam (NF) via the self-hydroxylation process under alkaline conditions using a simple cyclic voltammetry (CV) strategy. The as-formed and coated Ni(OH)₂ thin film on the NF was used as the catalyst layer for the direct growth of carbon nanotubes (CNTs). The self-converted Ni(OH)₂ thin film is a good catalytic layer for the growth of CNTs due to the fact that the OH^- of the Ni(OH)₂ can be reduced to H₂O to promote the growth of CNTs during the CVD process, and therefore enabling the dense and u

SUBMITTER: Kao SH 

PROVIDER: S-EPMC9653567 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature